Table of Contents

Locator Record

Title: Respiratory Health and Disease (RDQ )
Contact Number: 1-866-441-NCHS
Years of Content: 1999 - 2000
First Published: June, 2002
Revised: NA
Access Constraints: None
Use Constraints: None
Geographic Coverage: National
Subject:Respiratory Health and Disease
Record Source: NHANES 1999 - 2000
Survey Methodology: NHANES 1999 - 2000 is a stratified multistage probability sample of the civilian non-institutionalized population of the U.S.
Medium: NHANES Web site; SAS transport files

Component Description

 Respiratory disease section (variable name prefix RDQ) provides interview data on respiratory symptoms that may be related to allergies, chronic bronchitis or asthma.

Topics

Eligible Sample

All survey participants ages 1 year of age and older were asked a subset of these questions.

Analytic Notes

Additional questions on asthma are asked in the Medical Conditions (MCQ) section of this questionnaire.

References

Codebook and Frequencies

SEQN - Respondent sequence number

Variable Name:
SEQN
SAS Label:
Respondent sequence number
English Text:
Respondent sequence number.
Target:
Both males and females 1 YEARS - 120 YEARS

RDQ010 - Problems with coughing in past year

Variable Name:
RDQ010
SAS Label:
Problems with coughing in past year
English Text:
In the past 12 months, has {SP} had problems with coughing?
Target:
Both males and females 1 YEARS - 11 YEARS
Code or Value Value Description Count Cumulative Skip to Item
1 Yes 327 327
2 No 1865 2192 RDQ070
7 Refused 0 2192 RDQ070
9 Don't know 3 2195 RDQ070
. Missing 7298 9493

RDQ020G - Episodes of coughing in past year

Variable Name:
RDQ020G
SAS Label:
Episodes of coughing in past year
English Text:
[In the past 12 months], how many episodes of coughing has {SP} had?
English Instructions:
GATE QUESTION
Target:
Both males and females 1 YEARS - 11 YEARS
Code or Value Value Description Count Cumulative Skip to Item
1 Enter number 261 261
2 12 or more episodes 40 301
3 Continuous 23 324
7 Refused 0 324
9 Don't know 3 327
. Missing 9166 9493

RDQ020Q - Enter number of episodes

Variable Name:
RDQ020Q
SAS Label:
Enter number of episodes
English Text:
[In the past 12 months], how many episodes of coughing has {SP} had?
English Instructions:
ENTER NUMBER OF EPISODES
Target:
Both males and females 1 YEARS - 11 YEARS
Hard Edits:
1 to 11
Code or Value Value Description Count Cumulative Skip to Item
1 to 11 Range of Values 260 260
7777 Refused 0 260
9999 Don't know 1 261
. Missing 9232 9493

RDQ030 - Coughing most days - over 3 mo period

Variable Name:
RDQ030
SAS Label:
Coughing most days - over 3 mo period
English Text:
{Do you/Does SP} usually cough on most days for 3 consecutive months or more during the year?
Target:
Both males and females 12 YEARS - 120 YEARS
Code or Value Value Description Count Cumulative Skip to Item
1 Yes 364 364
2 No 6916 7280 RDQ050
7 Refused 3 7283 RDQ050
9 Don't know 7 7290 RDQ050
. Missing 2203 9493

RDQ040 - # years had cough problem

Variable Name:
RDQ040
SAS Label:
# years had cough problem
English Text:
For how many years {have you/has SP} had this cough?
English Instructions:
IF LESS THAN 1 YEAR, ENTER 1;ENTER NUMBER OF YEARS.
Target:
Both males and females 12 YEARS - 120 YEARS
Hard Edits:
0 to 120
Code or Value Value Description Count Cumulative Skip to Item
1 to 71 Range of Values 347 347
77777 Refused 0 347
99999 Don't know 17 364
. Missing 9129 9493

RDQ050 - Bring up phlegm most days - 3 mo period

Variable Name:
RDQ050
SAS Label:
Bring up phlegm most days - 3 mo period
English Text:
{Do you/Does SP} bring up phlegm on most days for 3 consecutive months or more during the year?
Target:
Both males and females 12 YEARS - 120 YEARS
Code or Value Value Description Count Cumulative Skip to Item
1 Yes 387 387
2 No 6898 7285 RDQ070
7 Refused 3 7288 RDQ070
9 Don't know 2 7290 RDQ070
. Missing 2203 9493

RDQ060 - # years bringing up phlegm problem

Variable Name:
RDQ060
SAS Label:
# years bringing up phlegm problem
English Text:
For how many years, {have you/has SP} had trouble with phlegm?
English Instructions:
IF LESS THAN 1 YEAR, ENTER 1;ENTER NUMBER OF YEARS.
Target:
Both males and females 12 YEARS - 120 YEARS
Hard Edits:
0 to 120
Code or Value Value Description Count Cumulative Skip to Item
1 to 72 Range of Values 372 372
77777 Refused 0 372
99999 Don't know 15 387
. Missing 9106 9493

RDQ070 - Wheezing or whistling in chest - past yr

Variable Name:
RDQ070
SAS Label:
Wheezing or whistling in chest - past yr
English Text:
In the past 12 months {have you/has SP} had wheezing or whistling in {your/his/her} chest?
Target:
Both males and females 1 YEARS - 120 YEARS
Code or Value Value Description Count Cumulative Skip to Item
1 Yes 1214 1214
2 No 8260 9474 RDQ140
7 Refused 3 9477 RDQ140
9 Don't know 10 9487 RDQ140
. Missing 6 9493

RDQ080 - # wheezing/whistling attacks past year

Variable Name:
RDQ080
SAS Label:
# wheezing/whistling attacks past year
English Text:
[In the past 12 months], how many attacks of wheezing or whistling {have you/has SP} had?
English Instructions:
IF 12 OR MORE EPISODES, ENTER 12; ENTER NUMBER OF EPISODES.
Target:
Both males and females 1 YEARS - 120 YEARS
Hard Edits:
1 to 12
Code or Value Value Description Count Cumulative Skip to Item
1 to 12 Range of Values 1179 1179
7777 Refused 0 1179
9999 Don't know 35 1214
. Missing 8279 9493

RDQ090 - Wheezing disturb sleep in past year

Variable Name:
RDQ090
SAS Label:
Wheezing disturb sleep in past year
English Text:
[In the past 12 months], how often, on average, has {your/SP's} sleep been disturbed because of wheezing? Would you say this happens . . .
Target:
Both males and females 1 YEARS - 120 YEARS
Code or Value Value Description Count Cumulative Skip to Item
0 Never, 566 566
1 1 or more nights per week, or 271 837
2 Less than 1 night per week? 370 1207
7 Refused 0 1207
9 Don't know 7 1214
. Missing 8279 9493

RDQ100 - Chest sound wheezy during exercise

Variable Name:
RDQ100
SAS Label:
Chest sound wheezy during exercise
English Text:
[In the past 12 months], has {your/SP's} chest sounded wheezy during or after exercise or physical activity?
Target:
Both males and females 1 YEARS - 120 YEARS
Code or Value Value Description Count Cumulative Skip to Item
1 Yes 544 544
2 No 648 1192
7 Refused 0 1192
9 Don't know 22 1214
. Missing 8279 9493

RDQ105 - CHECK ITEM

Variable Name:
RDQ105
English Instructions:
BOX 3. CHECK ITEM RDQ.105: IF 'NEVER' (CODE 0) OR DON'T KNOW (CODE 9)IN RDQ.090, AND IF NO (CODE 2), REFUSED (CODE 7), OR DON'T KNOW (CODE 9) IN RDQ.100, GO TO RDQ.140. OTHERWISE, CONTINUE.
Target:
Both males and females 1 YEARS - 120 YEARS

RDQ110 - Wheezing severe enough to limit speech

Variable Name:
RDQ110
SAS Label:
Wheezing severe enough to limit speech
English Text:
[In the past 12 months], has the wheezing ever been severe enough to limit {your/SP's} speech to only one or two words at a time between breaths?
Target:
Both males and females 1 YEARS - 120 YEARS
Code or Value Value Description Count Cumulative Skip to Item
0 No words or language 25 25
1 Yes 198 223
2 No 622 845
7 Refused 0 845
9 Don't know 3 848
. Missing 8645 9493

RDQ120 - Got medical attn for wheezing attack

Variable Name:
RDQ120
SAS Label:
Got medical attn for wheezing attack
English Text:
[In the past 12 months], how many times {have you/has SP} gone to the doctor's office or the hospital emergency room for one or more of these attacks of wheezing or whistling?
English Instructions:
IF NEVER, ENTER 0;ENTER NUMBER.
Target:
Both males and females 1 YEARS - 120 YEARS
Hard Edits:
0 to 50
Code or Value Value Description Count Cumulative Skip to Item
0 to 30 Range of Values 847 847
7777 Refused 0 847
9999 Don't know 1 848
. Missing 8645 9493

RDQ130 - Taken medication for wheezing -past yr

Variable Name:
RDQ130
SAS Label:
Taken medication for wheezing -past yr
English Text:
[In the past 12 months], {have you/has SP} taken any medication for wheezing or whistling?
Target:
Both males and females 1 YEARS - 120 YEARS
Code or Value Value Description Count Cumulative Skip to Item
1 Yes 582 582
2 No 264 846 RDQ135
7 Refused 1 847 RDQ135
9 Don't know 1 848 RDQ135
. Missing 8645 9493

RDQ133 - Doctor prescribe wheezing medication

Variable Name:
RDQ133
SAS Label:
Doctor prescribe wheezing medication
English Text:
Was the medicine perscribed by a doctor?
Target:
Both males and females 1 YEARS - 120 YEARS
Code or Value Value Description Count Cumulative Skip to Item
1 Yes 557 557
2 No 24 581
7 Refused 0 581
9 Don't know 1 582
. Missing 8911 9493

RDQ135 - Limit usual activities due to wheezing

Variable Name:
RDQ135
SAS Label:
Limit usual activities due to wheezing
English Text:
During the past 12 months, how much did {you/SP} limit {your/his/her} usual activities due to wheezing or whistling? Would you say...
Target:
Both males and females 1 YEARS - 120 YEARS
Code or Value Value Description Count Cumulative Skip to Item
1 Not at all, 377 377
2 A little, 280 657
3 A fair amount, 90 747
4 A moderate amount, or 44 791
5 A lot? 57 848
7 Refused 0 848
9 Don't know 0 848
. Missing 8645 9493

RDQ137 - Miss work or school due to wheezing

Variable Name:
RDQ137
SAS Label:
Miss work or school due to wheezing
English Text:
During the past 12 months, how many days of work or school did {you/SP} miss due to wheezing or whistling?
Target:
Both males and females 6 YEARS - 69 YEARS
Code or Value Value Description Count Cumulative Skip to Item
0 None 416 416
1 1 to 7 151 567
2 8 to 30 49 616
3 31 plus 8 624
7 Refused 0 624
9 Don't know 3 627
. Missing 8866 9493

RDQ140 - Had dry cough at night in past year

Variable Name:
RDQ140
SAS Label:
Had dry cough at night in past year
English Text:
[In the past 12 months], {have you/has SP} had a dry cough at night not counting a cough associated with a cold or chest infection lasting 14 days or more?
Target:
Both males and females 1 YEARS - 120 YEARS
Code or Value Value Description Count Cumulative Skip to Item
1 Yes 286 286
2 No 9193 9479
7 Refused 3 9482
9 Don't know 5 9487
. Missing 6 9493